I Used to Know That: Maths

Rediscover the essential math skills you may have forgotten with I Used to Know That: Maths by Chris Waring. Published in 2014, this engaging book spans 192 pages and offers a delightful journey through the world of mathematics. Whether you want to sharpen your mental arithmetic, explore percentages, averages, and recurring decimals, or enhance your understanding of trigonometry—from Pythagoras' Theorem to triangle areas and angles—this book is the perfect resource. Chris Waring presents these concepts in a fun and accessible manner, making it easy for readers to revisit and master the useful tips and tricks learned in school. Ideal for anyone looking to boost their confidence in math, I Used to Know That: Maths is a must-have addition to your bookshelf.